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Round|Lab Grown|IGI

0.73ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG816670155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816670155

Diamond specifications and retailer prices

From £90 GBP
$120 USD
As of October 29, 2026
Save £844 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £935 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG816670155 or 816670155. Listed at 11 retailers as of October 29, 2026, with prices from £90 to £935, a £844 spread on the same certified stone. MOH London lists it at £935. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670155
Dimensions5.69 × 5.72 × 3.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.69 mm5.72 mm0.73 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816670155
Side View
Table 61.0%Crown 37°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £935 GBP|Low: £100 GBP|High: £935 GBP|Avg: £349 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6£100 GBP
Retailer 4£119 GBP
Retailer 5£177 GBP
Retailer 8£216 GBP
Retailer 2£228 GBP
Retailer 9£313 GBP
Retailer 3£399 GBP
Retailer 10£401 GBP
Retailer 7£703 GBP
MOH London£935 GBP

9 data points across 10 retailers

11 retailers£90 GBP to £935 GBP

A
Cheapest Retailer
-
£90 GBP
$120 USD
A
Retailer 2
-
£100 GBP
$133 USD
View
Final sale: no returns
B+
Retailer 3
-
£119 GBP
$158 USD
View
A
Retailer 4
-
£177 GBP
$236 USD
View
B+
Retailer 5
-
£216 GBP
$288 USD
View
B+
Retailer 6
-
£228 GBP
View
B+
Retailer 7
-
£313 GBP
SGD 563 SGD
View
B
Retailer 8
-
£399 GBP
$531 USD
View
B
Retailer 9
-
£401 GBP
$533 USD
View
B
Retailer 10
-
£703 GBP
$937 USD
View
Most Expensive
C
MOH London
LG816670155 · Oct 29
£935 GBP
View
10 more retailers have this diamond
Prices start from £90 GBPSave up to £844 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.73ct Round
£90 GBP